Navaids
11,009 radio navigation aids (VOR, NDB, DME, TACAN and more).
| Ident | Name | Type |
|---|---|---|
| OTL | Otopeni | NDB |
| OPW | Otopeni | NDB |
| OPE | Otopeni | NDB |
| GT | Otrokovice | NDB |
| CU | Otsu | NDB |
| CUE | Otsu | VOR-DME |
| IOW | Ottawa | DME |
| OW | Ottawa | NDB |
| YOW | Ottawa | VOR-DME |
| PDR | Ottawa | NDB |
| OTO | Otto | VOR |
| OTR | Ottringham | VOR-DME |
| OTM | Ottumwa | VOR-DME |
| OTU | Otu | VOR-DME |
| OTU | Otumba | VOR-DME |
| OG | Ouagadougou | VOR-DME |
| OUA | Ouagadougou | NDB |
| AJ | Ouani | NDB |
| ORZ | Ouarzazate | NDB |
| OZT | Ouarzazate | VOR-DME |
| OH | Oudtshoorn | NDB |
| MGA | Ouere | VOR-DME |
| OU | Ouesso | NDB |
| OJD | Oujda | VOR-DME |
| CNU | Oujda | NDB |
| OUK | Oulu | VOR-DME |
| ORH | Ourinhos | NDB |
| OA | Ouvea | NDB |
| OVR | Ovar | TACAN |
| OVD | Ovda | VOR-DME |
| OVD | Ovda | NDB |
| OBV | Overberg | VORTAC |
| OB | Overberg | NDB |
| DW | Owaso | NDB |
| OWB | Owensboro | VOR-DME |
| OW | Owerri | NDB |
| OX | Oxford | NDB |
| OX | Oxford | DME |
| OXD | Oxford | NDB |
| 4N | Oxford House | NDB |
| DC | Oxonn | NDB |
| MOE | Oyama | VOR-DME |
| OY | Oyem | NDB |
| OE | Oyem | VOR-DME |
| OZ | Ozamis | NDB |
| OC | Ozuki | NDB |
| OCT | Ozuki | TACAN |
| W7 | Pabok (Du Rocher-Perce) | NDB |
| PCA | Pachuca | VOR-DME |
| PAI | Pacoima | NDB |